72141773 has 12 divisors (see below), whose sum is σ = 80310720. Its totient is φ = 64744680.

The previous prime is 72141767. The next prime is 72141779. The reversal of 72141773 is 37714127.

It is an interprime number because it is at equal distance from previous prime (72141767) and next prime (72141779).

It is not a de Polignac number, because 72141773 - 2²² = 67947469 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72141779) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5786 + ... + 13332.

It is an arithmetic number, because the mean of its divisors is an integer number (6692560).

Almost surely, 2^72141773 is an apocalyptic number.

It is an amenable number.

72141773 is a deficient number, since it is larger than the sum of its proper divisors (8168947).

72141773 is a wasteful number, since it uses less digits than its factorization.

72141773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7648 (or 7637 counting only the distinct ones).

The product of its digits is 8232, while the sum is 32.

The square root of 72141773 is about 8493.6313199950. The cubic root of 72141773 is about 416.2896408844.

The spelling of 72141773 in words is "seventy-two million, one hundred forty-one thousand, seven hundred seventy-three".